A Crane Lifts a 425 Kg Steel Beam Vertically a Distance

question 46

Multiple Choice

A crane lifts a 425 kg steel beam vertically a distance of 117 m. How much work does the crane do on the beam if the beam accelerates upward at 1.8 m/s²? Neglect frictional forces.

• A) 5.8 × 10⁵ J
• B) 3.4 × 10⁵ J
• C) 4.0 × 10⁵ J
• D) 4.9 × 10⁵ J

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